diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 9f0503c25dc..450a21f3463 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7137,7 +7137,7 @@ in {
 
   locustio = callPackage ../development/python-modules/locustio { };
 
-  llvmlite = callPackage ../development/python-modules/llvmlite { llvm = pkgs.llvm; };
+  llvmlite = callPackage ../development/python-modules/llvmlite { llvm = pkgs.llvm_6; };
 
   lockfile = buildPythonPackage rec {
     pname = "lockfile";